If there is purple around the screen, it may be caused by too high saturation. You can add ICC file to solve it.
Please refer to the following steps：
Steps 1: Open launchpad find Colorsync Utility and run it.
Steps 2: Devices – Displays – Mode Color LCD – Current Profile – Other
Steps 3: Then browse to find the location where the ICC file is stored, click Open in the lower right corner, and the ICC profile has been successfully enabled. Please contact Huion Customer Service through firstname.lastname@example.org to get the ICC file.
Steps 4: select your ICC profile in “color profile”, and the setting is already set.